National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair with Haze

83°F

28°C

Humidity 55%
Wind Speed SE 13 mph
Barometer 29.98 in (1015.6 mb)
Dewpoint 65°F (18°C)
Visibility 6.00 mi
Heat Index85°F (29°C)
Last update 11 Aug 4:56 pm CDT
Extended Forecast for

Avon SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. South southwest wind around 10 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 63. South wind around 10 mph becoming west after midnight.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. North northwest wind around 10 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. North wind around 5 mph becoming south southeast after midnight.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. South southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 63. South wind around 10 mph becoming west after midnight.
Tuesday
Sunny, with a high near 82. North northwest wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 60. North wind around 5 mph becoming south southeast after midnight.
Wednesday
Sunny, with a high near 89. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South southeast wind around 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 94.
Friday Night
Mostly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Avon SD
 43°N 98.05°W (Elev. 1647 ft)
Last Update:
4:18 pm CDT Aug 11, 2025
Forecast Valid:
5pm CDT Aug 11, 2025-6pm CDT Aug 18, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation